40012129520

Names of 40012129520

• Cardinal: 40012129520 can be written as Forty billion, twelve million, one hundred twenty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 4.001212952 × 10¹⁰

Factors of 40012129520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 466

Divisors of 40012129520

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 40 43 44 53 55 71 80 86 88 106 110 142 172 176 212 215 220 265 281 284 344 355 424 430 440 473 530 562 568 583 688 710 781 848 860 880 946 1060 1124 1136 1166 1405 1420 1562 1720 1892 2120 2248 2279 2332 2365 2810 2840 2915 3053 3091 3124 3440 3763 3784 3905 4240 4496 4558 4664 4730 5620 5680 5830 6106 6182 6248 7526 7568 7810 9116 9328 9460 11240 11395 11660 12083 12212 12364 12496 14893 15052 15265 15455 15620 18232 18815 18920 19951 22480 22790 23320 24166 24424 24728 25069 29786 30104 30530 30910 31240 33583 36464 37630 37840 39902 41393 45580 46640 48332 48848 49456 50138 59572 60208 60415 61060 61820 62480 67166 74465 75260 79804 82786 91160 96664 99755 100276 119144 120830 122120 123640 125345 132913 134332 148930 150520 159608 161809 163823 165572 167915 182320 193328 199510 200552 206965 219461 238288 241660 244240 247280 250690 265826 268664 297860 301040 319216 323618 327646 331144 335830 399020 401104 413930 438922 483320 501380 531652 537328 595720 640399 647236 655292 662288 664565 671660 798040 809045 819115 827860 857893 877844 966640 1002760 1057403 1063304 1097305 1191440 1280798 1294472 1310584 1329130 1343320 1596080 1618090 1638230 1655720 1715786 1755688 1779899 2005520 2114806 2126608 2194610 2561596 2588944 2621168 2658260 2686640 3201995 3236180 3276460 3311440 3431572 3511376 3559798 4229612 4289465 4389220 5123192 5287015 5316520 6403990 6472360 6552920 6863144 7044389 7119596 8459224 8578930 8778440 8899495 9436823 10246384 10574030 10633040 11631433 12807980 12944720 13105840 13726288 14088778 14239192 16918448 17157860 17556880 17798990 18873646 21148060 23262866 25615960 28177556 28478384 34315720 35221945 35597980 37747292 42296120 45468329 46525732 47184115 51231920 56355112 58157165 68631440 70443890 71195960 75494584 84592240 90936658 93051464 94368230 112710224 116314330 140887780 142391920 150989168 181873316 186102928 188736460 227341645 232628660 281775560 363746632 377472920 454683290 465257320 500151619 563551120 727493264 754945840 909366580 930514640 1000303238 1818733160 2000606476 2500758095 3637466320 4001212952 5001516190 8002425904 10003032380 20006064760 40012129520
• Sum of all divisors σ(n): 107676822528
• Sum of proper divisors (its aliquot sum) s(n): 67664693008
• 40012129520 is an abundant number, because the sum of its proper divisors (67664693008) is greater than itself. Its abundance is 27652563488

Bases of 40012129520

• Binary: 100101010000111010001010010011110000₂
• Hexadecimal: 0x950E8A4F0
• Base-36: IDQ6SQ8

Squares and roots of 40012129520

• 40012129520 squared (40012129520²) is 1600970508725255430400
• 40012129520 cubed (40012129520³) is 64058239352815210376248145408000
• The square root of 40012129520 is 200030.3215015163
• The cube root of 40012129520 is 3420.2975448749

Scales and comparisons

• 40,012,129,520 seconds is equal to 1,272 years, 13 weeks, 4 days, 8 hours, 25 minutes, 20 seconds.
• To count from 1 to 40,012,129,520 would take you about two thousand, five hundred forty-four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 40012129520 cubic inches would be around 285 feet tall.

Recreational maths with 40012129520

• 40012129520 backwards is 02592121004
• The number of decimal digits it has is: 11
• The sum of 40012129520's digits is 26
• More coming soon!